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Recalling Steps to Solve and Graph a Cost-Comparison Inequality
An operations assistant at a production facility is analyzing machine maintenance hours and uses the inequality to compare two service plans, where represents the hours of operation. Write an essay describing the exact, step-by-step algebraic process required to solve this inequality for . In your response, explicitly recall and state the algebraic rule that dictates when and why an inequality symbol must be reversed, and explain how this rule applies to the division step of this specific inequality. Finally, state the solution in both inequality notation and interval notation, and describe how to represent this solution on a number line.
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Recalling Steps to Solve and Graph a Cost-Comparison Inequality